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Application filed by Petterson Robert C New OrleansfiledCriticalPetterson Robert C New Orleans
Priority to IT20800/80ApriorityCriticalpatent/IT1131013B/it
Publication of IT8020800A0publicationCriticalpatent/IT8020800A0/it
Application grantedgrantedCritical
Publication of IT1131013BpublicationCriticalpatent/IT1131013B/it